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Telephone amplification can be of benefit to some individuals who are hard of hearing. Amplification can be achieved through many assistive technology solutions, such as an in-line amplifier, portable amplifier, amplified phone, personal amplifier (assistive listening device), t-coil compatible headset, or clarity amplifier.

Choosing the right amplification solution may take some time. Individuals are encouraged to try various assistive technology solutions until the right product is identified. Many vendors and manufacturers offer money back guarantees on the products they sell. Contact the vendor for more information regarding return policies.

It may be helpful to contact the State Assistive Technology (AT) Project for assistance in selecting an amplification product. State Assistive Technology Projects are funded under the Assistive Technology Act of 1998 (P.L. 105-394). These projects can provide technical assistance on assistive technology, consultation, product demonstrations, equipment borrowing, and low-interest loans for individuals with disabilities. To locate an office in your state, go to

The following manufacturers and vendors can provide information on prices, availability of products, and usefulness of products. If you would like to return to Step 1 and select another impairment, go to:

ADCO Hearing Products, Inc.
4242 South Broadway
Englewood, CO 80113
Toll Free: (800)726-0851
Direct: (303)794-3928
Fax: (303)794-3704
Beyond Hearing Aids, Inc.
463 Erlanger Rd., STE 1
Erlanger, KY 41018
Toll Free: (800)838-1649
Direct: (859)342-4641
TTY: (800)838-1649
Fax: (859)342-4979
Center for Communication Hearing & Deafness
10243 West National Avenue
West Allis, WI 53227
Direct: (414)604-2200
TTY: (414)604-7217
Fax: (414)604-7200
Clarity (formerly Walker-Ameriphone)
6131 Preservation Drive
Chattanooga, TN 37416
Toll Free: (800)426-3738
Fax: (800)325-8871
Converse Communications Corp.
34 Jerome Avenue
Bloomfield, CT 06002
Toll Free: (800)743-1219
Fax: (860)243-1320
General Technologies
3806 Security Park Drive
Rancho Cordova, CA 95742
Toll Free: (800)328-6684
Fax: (916)673-2324
HARC Mercantile Ltd.
1111 West Centre Avenue
Portage, MI 49024
Toll Free: (800)445-9968
Direct: (269)324-1615
Fax: (269)324-2387
42 Executive Blvd.
Farmingdale, NY 11735
Toll Free: (800)881-4327
TTY: (800)281-3555
Fax: (631)752-0689
Phone: (631)752-1145
HITEC Group Intl., Inc.
1743 Quincy Ave.
Unite #155
Naperville, IL 60540
Toll Free: (800)288-8303
TTY: (800)536-8890
Harris Communications
15155 Technology Drive
Eden Prairie, MN 55344-2277
Toll Free: (800)825-6758
TTY: (800)825-9187
Blue Triangle BulletOctiVox Clear Call
Hearing Speech and Deafness Center
HSCD Attn: Store
1625 19th Ave
Seattle, WA 98122
Toll Free: (888)328-2974
Direct: (206)328-6872
145 River Rock Drive
Buffalo, NY 14207
Toll Free: (800)468-4789
Direct: (716)348-3500
Fax: (877)498-1482
Phone Merchants
929 West Pike Street
Clarksburg, WV 26301
Toll Free: (877)291-1076
Direct: (304)624-0103
Fax: (304)623-5614
755 College Road East
Princeton, NJ 08540
Toll Free: (800)743-6367
P.O. Box 9022
Hicksville, NY 11802
Toll Free: (888)816-8191
TTY: (516)937-3546
Fax: (516)938-1513
Teltex, Inc.
1081 West Innovation Drive
Kearney, MO 64060
Toll Free: (888)515-8120
Direct: (816)628-1949
TTY: (888)515-8120
Fax: (816)635-4043
Weitbrecht Communications, Inc
1500 Olympic Boulevard
Santa Monica, CA 90404
Toll Free: (800)233-9130
Direct: (310)656-4924
TTY: (800)233-9130
Fax: (310)450-9918
Williams Sound Corp.
10300 Valley View Road
Eden Prairie, MN 55344-3459
Toll Free: (800)328-6190
Direct: (952)943-2252
Fax: (952)943-2174

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